/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apereo.portal.portlet.registry;

import org.apache.commons.lang.Validate;
import org.apereo.portal.portlet.om.IPortletEntityId;
import org.apereo.portal.portlet.om.IPortletWindowId;

class PortletWindowIdImpl implements IPortletWindowId {
    private static final long serialVersionUID = 2L;

    private final IPortletEntityId portletEntityId;
    private final String windowInstanceId;
    private final String compositeIdString;

    public PortletWindowIdImpl(IPortletEntityId portletEntityId, String windowInstanceId) {
        Validate.notNull(portletEntityId, "portletEntityId can not be null");

        this.portletEntityId = portletEntityId;
        this.windowInstanceId = windowInstanceId;
        this.compositeIdString =
                PortletWindowIdStringUtils.format(portletEntityId.getStringId(), windowInstanceId);
    }

    public IPortletEntityId getPortletEntityId() {
        return this.portletEntityId;
    }

    public String getWindowInstanceId() {
        return this.windowInstanceId;
    }

    /* (non-Javadoc)
     * @see org.apache.pluto.PortletWindowID#getStringId()
     */
    @Override
    public String getStringId() {
        return this.compositeIdString;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result =
                prime * result
                        + ((this.portletEntityId == null) ? 0 : this.portletEntityId.hashCode());
        result =
                prime * result
                        + ((this.windowInstanceId == null) ? 0 : this.windowInstanceId.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        PortletWindowIdImpl other = (PortletWindowIdImpl) obj;
        if (this.portletEntityId == null) {
            if (other.portletEntityId != null) return false;
        } else if (!this.portletEntityId.equals(other.portletEntityId)) return false;
        if (this.windowInstanceId == null) {
            if (other.windowInstanceId != null) return false;
        } else if (!this.windowInstanceId.equals(other.windowInstanceId)) return false;
        return true;
    }

    @Override
    public String toString() {
        return this.getStringId();
    }
}
